Stamina is used to obtain rewards from battles, and is replenished daily at 00:00 UTC. Each battle played will consume 1 stamina. Once a trainer has depleted their daily stamina, they will no longer earn SLP or moon shard until the next reset.
A trainer's total stamina will correspond with the total amount of blockchain Axies in their collection. The more Axies a trainer has, the more stamina they will obtain (capped at 60).
Below you will find the formula used to calculate a player's daily stamina limit:
For more information on rewards obtained when utilizing stamina, please see the following articles: